No, that’s because you are treating an array as an object and PHP doesn’t convert those types automatically. To get an individual element from an object you use:
$my_object->Element1;
To get an individual element from an array you use:
$my_array[Element1];
You can even nest arrays. So if you have $my_array, where each element is another array, you can get elementX from arrayY like this:
$my_array[arrayY][elementX];
In your case, apparently, you have an array, which holds an array, which holds objects, amounting to:
$my_array[arrayY][elementX]->componentZ